diff options
Diffstat (limited to 'arch/um/kernel/syscall.c')
| -rw-r--r-- | arch/um/kernel/syscall.c | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index a4625c7b2bf9..cccab850c27e 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c | |||
| @@ -8,6 +8,7 @@ | |||
| 8 | #include "linux/mm.h" | 8 | #include "linux/mm.h" |
| 9 | #include "linux/sched.h" | 9 | #include "linux/sched.h" |
| 10 | #include "linux/utsname.h" | 10 | #include "linux/utsname.h" |
| 11 | #include "linux/syscalls.h" | ||
| 11 | #include "asm/current.h" | 12 | #include "asm/current.h" |
| 12 | #include "asm/mman.h" | 13 | #include "asm/mman.h" |
| 13 | #include "asm/uaccess.h" | 14 | #include "asm/uaccess.h" |
| @@ -37,31 +38,6 @@ long sys_vfork(void) | |||
| 37 | return ret; | 38 | return ret; |
| 38 | } | 39 | } |
| 39 | 40 | ||
| 40 | /* common code for old and new mmaps */ | ||
| 41 | long sys_mmap2(unsigned long addr, unsigned long len, | ||
| 42 | unsigned long prot, unsigned long flags, | ||
| 43 | unsigned long fd, unsigned long pgoff) | ||
| 44 | { | ||
| 45 | long error = -EBADF; | ||
| 46 | struct file * file = NULL; | ||
| 47 | |||
| 48 | flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); | ||
| 49 | if (!(flags & MAP_ANONYMOUS)) { | ||
| 50 | file = fget(fd); | ||
| 51 | if (!file) | ||
| 52 | goto out; | ||
| 53 | } | ||
| 54 | |||
| 55 | down_write(¤t->mm->mmap_sem); | ||
| 56 | error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); | ||
| 57 | up_write(¤t->mm->mmap_sem); | ||
| 58 | |||
| 59 | if (file) | ||
| 60 | fput(file); | ||
| 61 | out: | ||
| 62 | return error; | ||
| 63 | } | ||
| 64 | |||
| 65 | long old_mmap(unsigned long addr, unsigned long len, | 41 | long old_mmap(unsigned long addr, unsigned long len, |
| 66 | unsigned long prot, unsigned long flags, | 42 | unsigned long prot, unsigned long flags, |
| 67 | unsigned long fd, unsigned long offset) | 43 | unsigned long fd, unsigned long offset) |
| @@ -70,7 +46,7 @@ long old_mmap(unsigned long addr, unsigned long len, | |||
| 70 | if (offset & ~PAGE_MASK) | 46 | if (offset & ~PAGE_MASK) |
| 71 | goto out; | 47 | goto out; |
| 72 | 48 | ||
| 73 | err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); | 49 | err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); |
| 74 | out: | 50 | out: |
| 75 | return err; | 51 | return err; |
| 76 | } | 52 | } |
